1271070720

素因数分解:

$2^{16}\times 3^2\times 5^1\times {\mathrm{431}}^1$

素因数の和:474

約数の個数: 204

約数和(自身を含む): 4416568416

約数和(自身を除く): 3145497696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 431, 480, 512, 576, 640, 720, 768, 862, 960, 1024, 1152, 1280, 1293, 1440, 1536, 1724, 1920, 2048, 2155, 2304, 2560, 2586, 2880, 3072, 3448, 3840, 3879, 4096, 4310, 4608, 5120, 5172, 5760, 6144, 6465, 6896, 7680, 7758, 8192, 8620, 9216, 10240, 10344, 11520, 12288, 12930, 13792, 15360, 15516, 16384, 17240, 18432, 19395, 20480, 20688, 23040, 24576, 25860, 27584, 30720, 31032, 32768, 34480, 36864, 38790, 40960, 41376, 46080, 49152, 51720, 55168, 61440, 62064, 65536, 68960, 73728, 77580, 81920, 82752, 92160, 98304, 103440, 110336, 122880, 124128, 137920, 147456, 155160, 163840, 165504, 184320, 196608, 206880, 220672, 245760, 248256, 275840, 294912, 310320, 327680, 331008, 368640, 413760, 441344, 491520, 496512, 551680, 589824, 620640, 662016, 737280, 827520, 882688, 983040, 993024, 1103360, 1241280, 1324032, 1474560, 1655040, 1765376, 1986048, 2206720, 2482560, 2648064, 2949120, 3310080, 3530752, 3972096, 4413440, 4965120, 5296128, 6620160, 7061504, 7944192, 8826880, 9930240, 10592256, 13240320, 14123008, 15888384, 17653760, 19860480, 21184512, 26480640, 28246016, 31776768, 35307520, 39720960, 42369024, 52961280, 63553536, 70615040, 79441920, 84738048, 105922560, 127107072, 141230080, 158883840, 211845120, 254214144, 317767680, 423690240, 635535360, 1271070720]

約数ペア:

[(1, 1271070720), (2, 635535360), (3, 423690240), (4, 317767680), (5, 254214144), (6, 211845120), (8, 158883840), (9, 141230080), (10, 127107072), (12, 105922560), (15, 84738048), (16, 79441920), (18, 70615040), (20, 63553536), (24, 52961280), (30, 42369024), (32, 39720960), (36, 35307520), (40, 31776768), (45, 28246016), (48, 26480640), (60, 21184512), (64, 19860480), (72, 17653760), (80, 15888384), (90, 14123008), (96, 13240320), (120, 10592256), (128, 9930240), (144, 8826880), (160, 7944192), (180, 7061504), (192, 6620160), (240, 5296128), (256, 4965120), (288, 4413440), (320, 3972096), (360, 3530752), (384, 3310080), (431, 2949120), (480, 2648064), (512, 2482560), (576, 2206720), (640, 1986048), (720, 1765376), (768, 1655040), (862, 1474560), (960, 1324032), (1024, 1241280), (1152, 1103360), (1280, 993024), (1293, 983040), (1440, 882688), (1536, 827520), (1724, 737280), (1920, 662016), (2048, 620640), (2155, 589824), (2304, 551680), (2560, 496512), (2586, 491520), (2880, 441344), (3072, 413760), (3448, 368640), (3840, 331008), (3879, 327680), (4096, 310320), (4310, 294912), (4608, 275840), (5120, 248256), (5172, 245760), (5760, 220672), (6144, 206880), (6465, 196608), (6896, 184320), (7680, 165504), (7758, 163840), (8192, 155160), (8620, 147456), (9216, 137920), (10240, 124128), (10344, 122880), (11520, 110336), (12288, 103440), (12930, 98304), (13792, 92160), (15360, 82752), (15516, 81920), (16384, 77580), (17240, 73728), (18432, 68960), (19395, 65536), (20480, 62064), (20688, 61440), (23040, 55168), (24576, 51720), (25860, 49152), (27584, 46080), (30720, 41376), (31032, 40960), (32768, 38790), (34480, 36864)]